Researcher:
Korkmaz, Caner

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Undergraduate Student

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Caner

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Korkmaz

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Korkmaz, Caner

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20201

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    Chain FL: Decentralized federated machine learning via blockchain
    (Ieee, 2020) Masry, Ahmed; Department of Electrical and Electronics Engineering; Department of Computer Engineering; Department of Computer Engineering; Department of Computer Engineering; Korkmaz, Caner; Koçaş, Halil Eralp; Uysal, Ahmet; Özkasap, Öznur; Akgün, Barış; Undergraduate Student; Undergraduate Student; Undergraduate Student; Faculty Member; Faculty Member; Department of Electrical and Electronics Engineering; Department of Computer Engineering; College of Engineering; College of Engineering; College of Engineering; College of Engineering; College of Engineering; N/A; N/A; N/A; 113507; 258784
    Federated learning is a collaborative machine learning mechanism that allows multiple parties to develop a model without sharing the training data. It is a promising mechanism since it empowers collaboration in fields such as medicine and banking where data sharing is not favorable due to legal, technical, ethical, or safety issues without significantly sacrificing accuracy. In centralized federated learning, there is a single central server, and hence it has a single point of failure. Unlike centralized federated learning, decentralized federated learning does not depend on a single central server for the updates. In this paper, we propose a decentralized federated learning approach named Chain FL that makes use of the blockchain to delegate the responsibility of storing the model to the nodes on the network instead of a centralized server. Chain FL produced promising results on the MNIST digit recognition task with a maximum 0.20% accuracy decrease, and on the CIFAR-10 image classification task with a maximum of 2.57% accuracy decrease as compared to non-FL counterparts.